21533800

素因数分解:

$2^3\times 5^2\times {\mathrm{67}}^1\times {\mathrm{1607}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 50844960

約数和(自身を除く): 29311160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 67, 100, 134, 200, 268, 335, 536, 670, 1340, 1607, 1675, 2680, 3214, 3350, 6428, 6700, 8035, 12856, 13400, 16070, 32140, 40175, 64280, 80350, 107669, 160700, 215338, 321400, 430676, 538345, 861352, 1076690, 2153380, 2691725, 4306760, 5383450, 10766900, 21533800]

約数ペア:

[(1, 21533800), (2, 10766900), (4, 5383450), (5, 4306760), (8, 2691725), (10, 2153380), (20, 1076690), (25, 861352), (40, 538345), (50, 430676), (67, 321400), (100, 215338), (134, 160700), (200, 107669), (268, 80350), (335, 64280), (536, 40175), (670, 32140), (1340, 16070), (1607, 13400), (1675, 12856), (2680, 8035), (3214, 6700), (3350, 6428)]